VDB-333296 · CVE-2025-43374 · EUVD-2025-198518

Apple macOS Kernel Memory out-of-bounds

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
2.3	$0-$5k	0.00

Summaryinfo

A vulnerability described as problematic has been identified in Apple macOS. The impacted element is an unknown function of the component Kernel Memory Handler. Such manipulation leads to out-of-bounds. This vulnerability is documented as CVE-2025-43374. The attack can be executed directly on the physical device. There is not any exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Apple macOS (unknown version). It has been rated as problematic. Affected by this issue is an unknown code block of the component Kernel Memory Handler. The manipulation with an unknown input leads to a out-of-bounds vulnerability. Using CWE to declare the problem leads to CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. Impacted is confidentiality. CVE summarizes:

An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in iPadOS 17.7.7, iOS 18.5 and iPadOS 18.5, visionOS 2.5, macOS Sonoma 14.7.3, macOS Ventura 13.7.3, macOS Sequoia 15.5, watchOS 11.5. An attacker in physical proximity may be able to cause an out-of-bounds read in kernel memory.

The advisory is shared for download at support.apple.com. This vulnerability is handled as CVE-2025-43374 since 04/16/2025. The exploitation is known to be easy. The attack needs to be approached locally. No form of authentication is required for exploitation. There are neither technical details nor an exploit publicly available.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2025-198518). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Operating System

Vendor

Apple

Name

macOS

License

commercial

Website

Vendor: https://www.apple.com/

CPE 2.3info

🔒

CPE 2.2info

🔒

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 2.4
VulDB Meta Temp Score: 2.3

VulDB Base Score: 2.4
VulDB Temp Score: 2.3
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Out-of-bounds
CWE: CWE-125 / CWE-119
CAPEC: 🔒
ATT&CK: 🔒

Physical: Yes
Local: Yes
Remote: No

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Timelineinfo

04/16/2025 CVE reserved
11/22/2025 +220 days Advisory disclosed
11/22/2025 +0 days VulDB entry created
11/23/2025 +1 days VulDB entry last update

Sourcesinfo

Vendor: apple.com

Advisory: support.apple.com
Status: Confirmed

CVE: CVE-2025-43374 (🔒)
GCVE (CVE): GCVE-0-2025-43374
GCVE (VulDB): GCVE-100-333296
EUVD: 🔒
scip Labs: https://www.scip.ch/en/?labs.20180712

Entryinfo

Created: 11/22/2025 08:47
Updated: 11/23/2025 14:58
Changes: 11/22/2025 08:47 (55), 11/23/2025 14:58 (1)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.